diff --git a/package.json b/package.json
index 67235fc..8d3048d 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "hyper-graph-db": "^0.3.2",
     "marked": "^0.3.15",
     "nanoiterator": "^1.1.0",
-    "parse5": "^4.0.0"
+    "parse5": "^5.0.0"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",